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我厂生产的溶解乙炔气瓶属于二类压力容器,容积为40L,内径为φ250mm。主体环焊缝采用钨极氩弧焊打底、埋弧自动焊盖面的焊接工艺。其接头形式如图1所示。
Dissolved acetylene cylinders produced by our factory belong to the second type of pressure vessels, with volume of 40L and inner diameter of φ250mm. The main ring weld TIG welding backing, submerged arc welding surface coverage of the welding process. The joint form shown in Figure 1.